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AWS ERNiCu-7 vs. EN AC-45000 Aluminum

AWS ERNiCu-7 belongs to the nickel alloys classification, while EN AC-45000 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS ERNiCu-7 and the bottom bar is EN AC-45000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
73
Elongation at Break, % 34
1.1
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 61
27
Tensile Strength: Ultimate (UTS), MPa 550
180

Thermal Properties

Latent Heat of Fusion, J/g 280
470
Melting Completion (Liquidus), °C 1280
640
Melting Onset (Solidus), °C 1240
520
Specific Heat Capacity, J/kg-K 440
870
Thermal Conductivity, W/m-K 20
120
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.2
27
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
81

Otherwise Unclassified Properties

Base Metal Price, % relative 50
11
Density, g/cm3 8.7
3.0
Embodied Carbon, kg CO2/kg material 8.5
7.7
Embodied Energy, MJ/kg 120
140
Embodied Water, L/kg 250
1070

Common Calculations

Stiffness to Weight: Axial, points 10
14
Stiffness to Weight: Bending, points 21
47
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 5.3
47
Thermal Shock Resistance, points 19
8.0

Alloy Composition

Aluminum (Al), % 0 to 1.3
82.2 to 91.8
Carbon (C), % 0 to 0.15
0
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 18.3 to 36.5
3.0 to 5.0
Iron (Fe), % 0 to 2.5
0 to 1.0
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0
0 to 0.55
Manganese (Mn), % 0 to 4.0
0.2 to 0.65
Nickel (Ni), % 62 to 69
0 to 0.45
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 1.3
5.0 to 7.0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 1.5 to 3.0
0 to 0.25
Zinc (Zn), % 0
0 to 2.0
Residuals, % 0
0 to 0.35